Adam Smith published 'The Wealth of Nations' in 1776 — the same year as the American Declaration of Independence.

In 1896, two countries fought a war that lasted under 45 minutes.

Fact #770 · History

The Tuskegee Syphilis Study withheld treatment from participants for decades.

Fact #1044 · History

The Transcontinental Railroad was completed in 1869.

Fact #611 · History

Prehistoric climates were often warmer than today.

Fact #750 · History

Prehistoric cave paintings provide insight into early humans.

Fact #699 · History

The Black Death significantly reduced Europe’s population in the 14th century.

Fact #582 · History

In 2001, a Norwegian man survived a fall through ice by floating in near-freezing water.

Fact #800 · History

In 1925, a courtroom trial debated the teaching of evolution in schools.

Fact #803 · History